单项选择题 AnapplicationconnectstoaSQLAzuredatabase.TheapplicationoccasionallylosestheconnectiontotheSQLAzuredatabase.Youneedtorecommendanapproachforreliablycompletingdataaccessoperations.Whatshouldyourecommend？（）A.UseMicrosoftADO.NETconnectionpooling.B.Passexceptionstotheuserinterfacelayer.C.Implementaretrypolicyinthedataaccesslayer.D.Beginatransactionbeforeeachdataaccessoperation.

单项选择题 YouaredesigningaWindowsAzuresolution.Thesolutionwillbeusedbymultiplecustomers.Eachcustomerhasdifferentbusinesslogicanduserinterfacerequirements.Notallcustomersusethesameversionofthe.NETruntime.Youneedtorecommendadeploymentstrategy.Whatshouldyourecommend？（）A.Deployinamultitenantconfiguration.B.Deployinasingle-tenantconfiguration.C.Deploywithmultiplewebroleinstances.D.Deploywith multipleworkerroleinstances.

单项选择题 YouareinstallinganapplicationonacomputerthatrunsWindowsServer2008R2.Duringinstallation，theapplicationwillneedtoaddnewattributesandclassestotheActiveDirectorydatabase.Youneedtoensurethatyoucaninstalltheapplication.Whatshouldyoudo（）A.ChangethefunctionalleveloftheforesttoWindowsServer2008R2.B.LogonbyusinganaccountthathasServerOperatorrights.C.LogonbyusinganaccountthathasSchemaAdministratorrightsandtheappropriaterightstoinstalltheapplicatioD.LogonbyusinganaccountthathastheEnterpriseAdministratorrightsandtheappropriaterightstoinstalltheapplicatio

单项选择题 Ifabackupisexpired，whichofthefollowingistrue？（）

单项选择题 Whichcommandwillresultinatracefilebeingcreatedwiththecreatecontrolfilecommandcontainedinit？（）